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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="If the input is valid UTF-16 representing only Unicode code points from U+0000 to U+00FF, inclusive, converts the input into output that represents the value of each code point as the unsigned byte value of each output byte."><title>convert_utf16_to_latin1_lossy in encoding_rs::mem - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="encoding_rs" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../encoding_rs/index.html">encoding_rs</a><span class="version">0.8.35</span></h2></div><div class="sidebar-elems"><h2><a href="index.html">In encoding_rs::mem</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../encoding_rs/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Function <a href="../index.html">encoding_rs</a>::<wbr><a href="index.html">mem</a>::<wbr><a class="fn" href="#">convert_utf16_to_latin1_lossy</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/encoding_rs/mem.rs.html#1990-1999">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub fn convert_utf16_to_latin1_lossy(src: &[<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>], dst: &mut [<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>])</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>If the input is valid UTF-16 representing only Unicode code points from
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U+0000 to U+00FF, inclusive, converts the input into output that
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represents the value of each code point as the unsigned byte value of
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each output byte.</p>
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<p>If the input does not fulfill the condition stated above, does something
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that is memory-safe without any promises about any properties of the
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output and will probably assert in debug builds in future versions.
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In particular, callers shouldn’t assume the output to be the same across
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crate versions or CPU architectures and should not assume that non-ASCII
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input can’t map to ASCII output.</p>
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<p>The length of the destination buffer must be at least the length of the
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source buffer.</p>
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<p>The number of bytes written equals the length of the source buffer.</p>
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<h2 id="panics"><a href="#panics">Panics</a></h2>
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<p>Panics if the destination buffer is shorter than stated above.</p>
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<p>(Probably in future versions if debug assertions are enabled (and not
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fuzzing) and the input is not in the range U+0000 to U+00FF, inclusive.)</p>
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